Rennin is an enzyme and renin is a hormone.
Answer:
i cant really help you here i dont know your information
Explanation:
1. True
2. Observable, falsifiable, Visible, <span>repeatable
3. Nitrogen oxide and ozone
4. True </span>
Answer:
(a) number of fish in each bowl
Explanation:
independent or manipulating variable is what you can control in this situation the student can control how many fish are in each bowl